This application is an aircraft weight & balance calculator with which you can build extensive crew (who), equipment (what), loading locations (where) and configurations (who & what => where) lists. Once set up, extensive W&B calculations are easily executed by simply selecting a flight profile with certain configurations. Click for more information:

This informaion sheet is based on a Bell 412 example. The download offered is based on AW139. Stone Productions can set up this system for any aircraft if desired.

AW139 Performance Calculator

This application can quickly "run through AW139 flight manual performance graphs" for you. By just entering weight, temperature and pressure altitude this application will produce a whole range of performance data accordingly. It will even draw the lines in the graphs for you!. Click for more information: